/**
 * Visualizer Styles - Canvas & Layout Visualization Component
 *
 * Components:
 * - Canvas wrapper with dynamic aspect ratio
 * - Canvas header stats display
 * - Toolbar controls
 * - Legend system with swatch patterns
 */

/* ===== Visualizer Container ===== */
.visualizer-column.card {
    border-top: 4px solid var(--blue);
}

/* ===== Canvas Wrapper ===== */
.canvas-wrapper {
    width: 100%;
    min-height: 300px;
    max-height: 80vh;
    aspect-ratio: var(--sheet-aspect, 1/1);
    margin-top: var(--space-md);
    position: relative;
}

.canvas-wrapper canvas {
    width: 100%;
    height: 100%;
    display: block;
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

#layoutCanvas {
    width: 100%;
    height: 100%;
}

/* ===== Canvas Header Stats ===== */
.canvas-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) 20px;
    background-color: var(--bg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
    gap: var(--space-md);
    flex-wrap: wrap;
}

.canvas-stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.canvas-stat-label {
    font-size: 12px;
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.canvas-stat-value {
    font-size: 18px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

/* ===== Canvas Toolbar ===== */
.toolbar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.toolbar .btn {
    position: relative;
    width: auto;
    padding: 0 var(--space-sm);
    gap: var(--space-xs);
}

.toolbar .btn .icon {
    font-size: 24px;
}

.toolbar .btn .label {
    font-size: 12px;
}

/* Toolbar Tooltips */
.toolbar .btn .tooltip {
    position: absolute;
    bottom: calc(100% + 4px);
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--ink);
    color: var(--card);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
    z-index: 1;
}

.toolbar .btn:hover .tooltip,
.toolbar .btn:focus-visible .tooltip {
    opacity: 1;
}

/* ===== Visualizer Options ===== */
.visualizer-options {
    display: flex;
    flex-wrap: nowrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    overflow-x: auto;
}

#visualizerOptions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

#visualizerOptions .checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 14px;
    cursor: pointer;
}

#visualizerOptions .checkbox-label input[type="checkbox"] {
    cursor: pointer;
}

/* ===== Legend System ===== */
.legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm) var(--space-md);
    margin: var(--space-sm) 0 var(--space-md);
    padding: 0;
    list-style: none;
    font-size: 14px;
}

.legend-item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

/* Legend Swatches */
.legend-swatch {
    width: 16px;
    height: 16px;
    border: 2px solid;
}

/* Document Outline - Striped Pattern */
.legend-swatch.doc {
    border-color: var(--ink);
    background: repeating-linear-gradient(
        0deg,
        var(--ink) 0,
        var(--ink) 2px,
        var(--card) 2px,
        var(--card) 4px
    );
}

/* High Contrast Mode Fallback */
@media (prefers-contrast: more) {
    .legend-swatch.doc {
        background: var(--ink);
        border-color: var(--card);
    }
}

/* Margins - Dotted Pattern */
.legend-swatch.margin {
    border-color: var(--ink);
    background: radial-gradient(var(--ink) 2px, transparent 2px) 0 0 / 6px 6px;
}

/* Non-Printable Area - Crosshatch Pattern */
.legend-swatch.printable {
    border-color: var(--ink);
    background:
        repeating-linear-gradient(
            45deg,
            var(--ink) 0,
            var(--ink) 2px,
            transparent 2px,
            transparent 4px
        ),
        repeating-linear-gradient(
            -45deg,
            var(--ink) 0,
            var(--ink) 2px,
            transparent 2px,
            transparent 4px
        );
}

/* Legend Lines */
.legend-line {
    width: 16px;
    height: 0;
    border-top: 2px solid;
}

.legend-line.score {
    border-top-style: dashed;
    border-color: var(--ink);
}